NHA CET EXAM PREP Questions and Correct Answers/ Latest Update / Already Graded

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NHA CET EXAM PREP Questions and
Correct Answers/ Latest Update /
Already Graded
What is the primary pacemaker?


Ans: SA Node




What is a more medically correct term for the clotting of an artery?


Ans: Occlusion




When the Atria depolarize (or contract), what is shown on the EKG

tracing?


Ans: P wave




An irregular heartbeat that is common among children is called

_____ _____.


Ans: Sinus Arrhythmia

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1 sm box on an EKG strip denotes 0.04 seconds of time. How long is

this represented in millimeters?


Ans: 1 mm




What is the term used to described the amount of blood pumped by

the heart per minute?


Ans: Cardiac output




Leads I to III are collectively known as


Ans: Standard leads




Leads V1 to V6 are collectively known as


Ans: Precordial leads




What is the main artery in the arterial system


Ans: Aorta

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aVr, aVl, and aVf are known as


Ans: Augmented leads




Leg electrodes are only used for?


Ans: grounding




What is the main vein in the venous system?


Ans: Superior vena cava




The mitral valve is also known as


Ans: bicuspid valve




When the ventricles depolarizes (contracts), what is shown on the

EKG tracing


Ans: QRS complex

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The Angle of Louis provides the LOCATION for which intercostal

space


Ans: 2nd




When clotting reduces oxygen supply to a region of the heart it is

known as _____.


Ans: Ischemia




When the Atria repolarize (or are at rest), what is shown on the EKG

tracing?


Ans: PR segment




(T/F) You should stop a stress test because of a change of heart

rhythm


Ans: False